baber/WOPTO huggingface dataset:
Patent GB-750698-A (GB)
Title: Walk-type cultivating machine
Inventor: HOWARD ARTHUR CLIFFORD
IPC: B62D51/06
Filed: 1953-11-10
Abstract: 750,698. Walk-type tractors. ROTARY HOES, Ltd. Nov. 10, 1954 [Nov. 10, 1953], No. 31062/53. Classes 79 (1), 79 (2) and 79 (5). In a walk type tractor one of two groundengaging wheels 11 is rotatably mounted on a shaft 29 carrying a driven gear wheel 43, and a pin 48 is axially slidable through the gear wheel 43 and a radial flange 33 on the wheel whereby the wheel is selectively driven. As shown in Fig. 1, the tractor comprises an engine 13 driving through change speed and reverse gearing in a casing 12 the wheels 11 and a cultivating unit 18, handlebars 14 being supported from the casing 12 for vertical and lateral adjustment and carry handles 100 controlling the change speed and reverse gearing and a clutch in the drive of the unit 18. An engine-driven shaft 51 carries gears 52, 53 which can mesh with a pair of slidable gears 54, 55 splined to a shaft 58 providing a power take-off extension 58a for driving the unit 18. Splined to the shaft 58 is a further pair of gears 59, 60 which can mesh with gears 63, 64 on a worm shaft 65. The worm 44 meshes with the wheel 43, reverse drive of the wheel 43 being provided by a layshaft 70 carrying gears 68, 69. The wheel 43 can be connected to the wheels 11 by means of the pin 48 (or a series of such pins) engaging the wheel 43 and axially slidable into holes in the flange 33 and a flange 39 by movement of a member 47 slidable on the shaft 29 carrying the flange 39 and one of the wheels 11, the other wheel 11 being splined to a sleeve 32 rotatable on the shaft 29 and carrying the flange 33. The flanges may be provided with arcuate grooves forming lead-ins for the pin (or pins) into the holes therein. In a modification, Fig. 5 (not shown) the flanges are of unequal diameter and have toothed peripheries co-operating with a pair of gear wheels slidably splined to a transverse shaft carrying a driven wormwheel. Specification 750,697, [Group I], is referred to.
Patent GB-1202670-A (GB)
Title: Process for dehydrating hydrated salts
Inventor: DENAEYER JOSE LUIS
IPC: C01B15/12
Filed: 1969-06-19
Abstract: 1,202,670. Sodium perborate monohydrate. SOLVAY & CIE. 19 June, 1969 [17 July, 1968], No. 31094/69. Heading CIA. Sodium perborate monohydrate (NaBO 2 .H 2 O 2 ) is made by continuously dehydrating sodium perborate tetrahydrate (NaBO 2 .H 2 O 2 .3H 2 O) in a fluidized bed supplied with air heated to a temperature of at least 180‹ C., e.g. 180-210‹ C. The tetrahydrate fed into the fluidized bed drier may be dry material or the direct reaction product of H 2 O 2  and sodium metaborate, from which water has been squeezed out. The resulting monohydrate granules show improved resistance to attrition.
Patent GB-1392296-A (GB)
Title: Rotary actuators
IPC: F15B15/12
Filed: 1971-07-02
Abstract: 1392296 Rotary positive-displacement machines A R B NASH 28 June 1972 [2 July 1971] 31187/71 Heading F1F An oscillating vane actuator comprises means on each side wall 10 for restricting outflow of fluid from the respective chamber and means for further restricting the outflow so as to damp the piston movement at the end thereof. Each wall 10 has a main port 16 and a bleed port 18. A throttling plate 20, with a restricted orifice 24 in register with port 16, can be forced away from wall 10 by inlet fluid, but is held against wall 10 when the respective chamber 8b is exhausting so as to provide a restricted outflow through orifice 24. Mounted by bolts 26 with plate 20 is a leafspring 32 which carries a hairpin spring 30, one arm 30a of which carries a loosely mounted valve member 28. The other arm 30b is engaged by piston 2 when it moves to diminish the respective chamber 8b and at a certain point, through the action of piston 2 on spring 30, the valve member engages plate 20 to close the orifice, thus permitting flow only through bleed port 18 so as to damp piston movement. An alternative embodiment is described, Fig. 5 (not shown). Instead of needle valve 36 a one-way valve may be used Fig. 3 (not shown).
Patent GB-340646-A (GB)
Title: Improvements in or relating to covers for tins, jars, bowls and the like
IPC: B65D81/36
Filed: 1929-10-14
Abstract: 340,646. Covers for tins. SAMS, E. H. and SAMS, E., 19, Thornbury Avenue, Osterley, Middlesex. Oct. 14, 1929, No. 31190. [Class 125 (iii).] A cover for a tin &c. has its flange 2 turned inwardly and upwardly at 3 to form a resilient structure of V-section. The cover may be used in conjunction with a tin &c. having it supper edge turned outwardly and downwardly. The cover may also be dished at 5 for use as an ash tray &c. A pin may be provided across the dished portion of the tray and form a handle therefor.
Patent GB-1331689-A (GB)
Title: Method of protecting measuring instruments such as pressure- gauges and the like against overpressures and device for per forming the same
IPC: G01L19/00
Filed: 1971-07-02
Abstract: 1331689 Pressure gauges SOC NATIONALE INDUSTRIELLE AEROSPATIALE 2 July 1971 [3 July 1970] 31196/71 Heading G1L In a method of, or a device for protecting pressure gauges or pressure switches against excessive pressures generated in conduits as the result of dynamic pressures and/or flow rate variations, a fixed semi-obturating element 10, fitting with a small clearance in a chamber 9 and provided with cruciform grooves 15a, 16a and 15b, 16b in each end, damps any pressure wave occurring in the pressure fluid and allows the fluid to communicate with the gauges in a steady state condition.
Patent GB-312570-A (GB)
Title: Improvements in or connected with gramophone record holders
IPC: B65D85/57
Filed: 1928-10-27
Abstract: 312,570. Wilson, F. Oct. 27, 1928. Bags.-In gramophone record-holders of the kind adapted either for carrying or for binding in an album, and in which the binding edge is formed by a stiffened extension above the pocket, a perforation A is formed in the binding edge, to permit one or more fingers of the hand to be passed through for carrying purposes. In order to avoid excessive weakening of the stiffening-strip D, the perforation is formed partly in the strip and partly in the flexible part E of the holder. The perforation may be elliptical or circular, and may shaped on the upper edge, so as to conform to the fingers.
Patent GB-839135-A (GB)
Title: Improvements in pickers for looms for weaving
Inventor: SEDDON ROBERT MAXWELL
IPC: D03D49/36
Filed: 1957-10-05
Abstract: 839,135. Loom shuttles. UNITEX Ltd. Oct. 6, 1958 [Oct. 5, 1957], No. 31241/57. Class 142(2) The forward end c of the slot in an underpick picker is so curved that the normal d drawn from the point of contact between the picker and the picking stick B passes through or below the point of contact d4 between the picker and the shuttle.
Patent GB-1102288-A (GB)
Title: Steam generator adapted to be heated by reactor water from a nuclear reactor
IPC: F22B1/02
Filed: 1965-07-22
Abstract: 1,102,288. Heating steam generators by hot liquids. ROSENBLADS PATENTER AB. 22 July, 1965, [14 Oct., 1964], No. 31312/65. Heading F4A. A steam generator heated by reactor water comprises a boiling space 5, a heating space 9 and reactor water inlet and outlet chambers 6a, 6b respectively. Hot reactor water entering inlet chamber 6a flows through either tube bank system 7 acting as a heater in the boiling space 5, or through tube bank system 8 acting as a heater in the heating space 9, to the outlet chamber 6b. The heating space 9 is used as a heater for water to be supplied to the boiling space 5 through pipe 11. In modifications, the feedwater from the heating space 9 may give up some of its heat on the way to boiling space 5 to superheat the steam generated (Fig. 2, not shown), or the heating space may be used to heat up an auxiliary liquid which circulates in a closed cycle to both superheat the steam and preheat the incoming feedwater.
Patent GB-1432544-A (GB)
Title: Apparatus for supplying liquid under pressure
IPC: F04D1/12
Filed: 1972-07-05
Abstract: 1432544 Centrifugal pumps LUCAS INDUSTRIES Ltd 2 July 1973 [5 July 1972]  31384/72 Heading F1C Apparatus for supplying liquid under pressure comprises a pressure vessel 10 having a liquid outlet 11 at its lower end and a pump mounted within its upper end above the level of liquid, the pump comprising a rotor 13 having at least one liquid passage 16 opening into the vessel at a position radially outwardly disposed relative to an inlet in the rotor. The vessel 10 is initially pressurized by a compressed-air cylinder 18. Flow is controlled so that the liquid level does not rise above a baffle 17. The rotor 13 is similar to that described in Specification 31385/72.
Patent GB-882370-A (GB)
Title: Improved household refrigerator
IPC: F25D23/02
Filed: 1959-09-15
Abstract: 882,370. Refrigerators. GENERAL MOTORS CORPORATION. Sept. 15, 1959 [Oct. 24, 1958], No. 31394/59. Class 29 In a refrigerator having a box-like freezer compartment 17 in the storage compartment 19, the door 24 of the former is hollow and its interior communicates with the storage compartment 19 through bottom apertures 37 so that air in compartment 19 can enter the door, moisture being thus deposited within the door instead of on its visible outer surface. The moisture drains out of the door into a slidable drip tray 18.
Patent GB-428087-A (GB)
Title: Improvements in or relating to holders for photographic prints, drawings, pictures and the like in photographic copying and enlarging apparatus
IPC: G03B27/62
Filed: 1933-11-10
Abstract: 428,087. Photographic copying and enlarging apparatus. PICTORIAL MACHINERY, Ltd., and CORKETT, J. F. L., 47, Hatton Garden, London. Nov. 10, 1933, No. 31409. [Class 98 (i)] In a copy holder which is mounted on a carriage and is adapted to be rotated on the carriage from a vertical to a horizontal position and vice versa, the carriage is formed of parallel rods, one of which serves as the pivot for the holder and a second as a stop and support for holder when in the horizontal position. The carriage 48 moves on a pair of rails 39, 40 which are supported by a framework of beams 28, 29, cross-members 25, 26, and uprights 19, 20, and comprises two plate members 50, 51 joined by four parallel rods 53, 54, 55 and 56. The two axles 58, 59 are journalled in lugs on the plate members, and carry grooved wheels 60 to engage with the track rails. Detachable plates 62, 63 on the underside of the plate members 50, 51 prevent tilting of the carriage. The upper rod 53 serves as a hinge-pin for the copy holder 65, and the rod 54 supports the copyholder when the latter is in the horizontal position. The holder is held in the vertical position by a spring-pressed pin which snaps into a notch 73 on the side of the copy holder. The holder may comprise a metal frame 67, and a glazed cover 68 hinged at 69 and fastened by clips 70. The rails upon which the carriage runs are adjustable horizontally, one end of each rail being pivoted at 42, and the other end movable in a slot 45. Swinging arms 34 carry lamps for illuminating the copy.
Patent GB-1212556-A (GB)
Title: Improvements in or relating to slotted wave guide aerials
Inventor: RADFORD MATTHEW FREDERICK
IPC: H01Q1/38
Filed: 1968-07-01
Abstract: 1,212,556. Aerials. MARCONI CO. Ltd. 9 May, 1969 [1 July, 1968], No. 31412/68. Heading H4A. In a wide band slotted waveguide aerial a length of rectangular waveguide W, Fig. 2, is formed into a sinusoidal or approximately sinusoidal (e.g., with straight line portions) shape with its narrow walls lying in two parallel planes. Slots S are provided in one narrow wall which are perpendicular to the axis of the sinusoid and which may be resonant at the intended mid-frequency of operation of the aerial. Alternatively, one narrow wall of the waveguide may be constituted by a grid of wires extending perpendicularly to the axis of the sinusoid. A stacked array may comprise two or more identical aerials as described above, and their slotted faces may be coplanar, a construction being described in which a common narrow wall is provided by a sheet formed with the requisite number of parallel slots (Fig. 3, not shown). The waveguide structure may also be made in two halves machined from solid blocks and assembled together to mate along surfaces intersecting the centres of their broad walls.
Patent GB-1158825-A (GB)
Title: Method and Apparatus for Determining the Clothing Time of Blood Plasma
IPC: B01F11/00
Filed: 1967-07-07
Abstract: 1,158,825. Measuring blood clotting time. GREINER ELECTRONIC A.G. 7 July, 1967 [11 Oct., 1966], No. 31479/67. Heading B1X. The clotting time of blood plasma is determined by placing the plasma sample in one container 4 or 5 of thermostatted reaction vessel 3, placing a reaction fluid, for example a thromboplastin solution in the other container, connecting one of the containers to air-pump 10 which causes periodic changes in air pressure in the container thereby causing the plasma and the reaction fluid to mix through connecting capillary 6, and measuring the time lapsing between the first mixing of the plasma and the fluid and the reduction in amplitude of the changes in air-pressure in tube 14 which results from clotting of the plasma and consequential blocking of tube 6. The changes in level in container 4 or 5 may be observed directly; alternatively piezoelectric pressure gauge 17 operatively connected to recorder 19 may be used to observe change in air pressure in chamber 13. Vessel 3 may be of polyethylene.
Patent GB-1090775-A (GB)
Title: Tool for forming circumferential grooves in bores or recesses
Inventor: BROWN HAROLD
IPC: B23B29/034
Filed: 1963-08-10
Abstract: 1,090,775. Boring tool. PRINCE BROWN & CO. Ltd. Aug. 10, 1964 [Aug. 10, 1963], No. 31684/63. Heading B3C. A boring tool for cutting circumferential grooves in the bore of a workpiece 22 comprises a shaft 1 slidably supported in a sleeve 9 by a key 19, and a wedge 2 secured on the shaft, which is inserted in a hole 8 in a cutting bit 7. A graduated thimble 10 provides for setting the axial position of shaft 1 relative to sleeve 9. In operation, the tool is introduced into the bore of the workpiece 22 until the end cap 5 abuts the workpiece. The tool is rotated and axial pressure is exerted, so that shaft 1 moves relatively to sleeve 9, and wedge 2 causes the cutter bit 7 to move outwardly in a radial direction, to thus form the groove in the workpiece.
Patent GB-1397547-A (GB)
Title: Synthetic smoke flavours
IPC: A23L27/20
Filed: 1971-07-06
Abstract: 1397547 Flavourings BUSH BOAKE ALLEN LTD 4 July 1972 [6 July 1971] 31737/71 Headings A2B and A2C A food or tobacco flavouring includes a compound having the formula: - where R is a propyl or allyl group, and n is 1 or zero. The compound may be dissolved in an organic solvent or encapsulated in a water soluble encapsulating material. Preferred solvents are propylene glycol, and arachis or maize oil. Encapsulating materials may be gum acacia, starch, alginates, dextrose, lactose or glucose syrup, or a protein. The flavouring compound may be 6-allyl guaiacol, 2-propoxy phenol, or 2-alloxy phenol, and may be present in a proportion of 0.01 to 0.6% based on the wt. of solvent. Flavour concentrates for use in sausage meat may comprise additional flavourings e.g. diacetyl, acetic acid, iso-valeric acid, caproic acid, 4-ethyl guaiacol, guaiacol liquid, 3-methoxy phenol, p-cresol, fenugreek extract, 4-methyl guaiacol, maple lactone, and iso-eugenol.
Patent GB-902528-A (GB)
Title: Improvements in or relating to ink compositions and transfer elements
Inventor: NEWMAN DOUGLAS ALEXANDER
IPC: C09D11/14
Filed: 1958-10-04
Abstract: An ink coating composition suitable for preparing a transfer member sensitive to writing or typing pressure comprises a dispersion of an essentially cohesive film-forming cellulose ether plastic in a liquid medium comprising two miscible volatile liquids, one liquid being an aliphatic alcohol having one to four carbon atoms in which the cellulose ether is soluble and the other being less volatile than the alcohol and substantially a non-solvent for the cellulose ether under normal conditions, the ratio of the alcohol to the second volatile liquid being between 5:1 and 20:1 by weight.  The cellulose ether plastic may be ethyl cellulose, especially that of low viscosity and the second volatile liquid may be water.  The dispersion may include a non-absorptive pigment, suitably metal powders known in the art as bronze powders, or an hectograph dye.
Patent GB-1441223-A (GB)
Title: Thermally-developable photosensitive photographic material
IPC: G03C1/498
Filed: 1974-07-17
Abstract: 1441223 Thermally-developable photographic material FUJI PHOTO FILM CO Ltd 17 July 1974 [17 July 1973 25 Feb 1974] 31762/74 Heading G2C A thermally-developable photographic material comprises a support bearing at least one layer or layers which together comprise: (a) a silver salt of an aliphatic acid, (b) a light-sensitive silver halide, or a compound capable of forming a light-sensitive silver halide by reaction with the silver salt (a), in an amount effective to catalyze the reaction of components (a) and (c), (c) a reducing agent capable of reducing to elemental silver the organic silver salt (a) when the latter is in the presence of the component (b) which has been exposed to light and is being heated, the reducing agent having the general formula wherein R<SP>1</SP> and R<SP>2</SP> each represents an alkyl group or R<SP>1</SP> and R<SP>2</SP> can combine to form a ring; R<SP>3</SP>, R<SP>4</SP>, R<SP>5</SP> and R<SP>6</SP> each represents hydrogen or an alkyl, cycloalkyl or aryl radical, not all being hydrogen; or by the general formula wherein R<SP>7</SP>, R<SP>8</SP>, R<SP>9</SP> and R<SP>10</SP> each represent a hydrogen atom, an alkyl, a substituted alkyl, cycloalkyl, aryl or substituted aryl group, not all being hydrogen; and R<SP>11</SP> represents an alkyl, substituted alkyl, allyl, aryl or substituted aryl group; and (d) a binder. The substituted aryl may be phenyl having 1 or 2 substituents selected from halogen, hydroxyl, nitro, aralkyl, alkoxy, carboxylic, carbomethoxy, acetyloxy or aryl. Compound (b) may be hydrogen halide, ammonium halide, metal halide, triphenylmethyl chloride or bromide, 2- bromo-2-methylpropane, 2-bromobutyric acid, 2-bromoethanol, dichlorobenzophenone, iodoform, chloroform, CCl 4  or an N-halo-compound containing the group -CO-N<SP>1</SP>-X where X is halogen. The layers may also contain a sensitizing dye.
Patent GB-1086287-A (GB)
Title: Improvements in and relating to temperature measurement
Inventor: CUMBERS DAVID CHARLES
IPC: G01K13/06
Filed: 1965-07-26
Abstract: 1,086,287. Measuring temperature electrically. IMPERIAL CHEMICAL INDUSTRIES Ltd. July 22, 1966 [July 26, 1965], No. 31781/65. Heading G1N. The temperature of the cylindrical surface of a rotating roll 3 is measured by inserting thermocouple probes 9 into holes immediately below the said surface at one end of the roll, the probes 9 being carried on a collar 8 which is slidable axially upon a generally cylindrical member 4 and which is rotatable with the member 4 in bearings 7 carried in a handle 6. The member 4 has a projection 22 which engages a recess 27 in a thermally insulating block 2 attached to the end of the roll 3 for axial alignment purposes, and spring-loaded balls 23 carried by the member 4 engage recesses 28 in the block 2 for transmission of the rotary movement of the roll 3 to the member 4 to gradually accelerate the member 4 into synchronism with the roll. When synchronism is attained the balls 23 remain seated in the recesses 28 and the collar 8 carrying the probes 9 is manually urged forward by a sleeve 20 against the pressure of a spring 16, until the probes 9 are located in the holes beneath the roll surface. The probes 9 are spring-loaded at 11, and fixed pins (not shown) may extend from a rear plate 14a attached to the collar 8 to a position just short of the ends of the probes 9, these pins being arranged to pass through apertures (not shown) in the member 4 to engage in recesses (not shown) in the block 2 when the collar 8 is urged forward, to form a rigid connection between the block 2 and member 4 to protect the probes 9 from accidental torsional strain. Electrical connections to the probes 9 are made via slip rings 29.
Patent GB-256567-A (GB)
Title: Improvements in method and apparatus for repairing fluid containers
IPC: F16L55/175
Filed: 1925-12-16
Abstract: 256,567. Furman, E. C. Aug. 6, 1925, [Convention date]. Joint-making packing.-Leaks due to faults or to loose fitting bolts &c. in fluid containers such as pipe lines, steam cylinders, or digesters are repaired without dismantling the container or releasing its internal pressure by injecting into the leak a substance such as a compound of rubber or rubber substitute which will vulcanize under heat, or a substance which hardens by crystallization, chemical action, &c. and which may contain inert material such as cork, sawdust, asbestos. &c., with which may be mixed graphite beeswax, litharge, commercial cement, lubricating oil, glycerine, shellac, or commercial cements. Heat may be applied for vulcanizing or for rendering the sealing medium fluid. the heat for vulcanizing in the case of steam containers being supplied by the steam itself. When the leak communicates with a bolt hole, e.g. in a pipe line or cylinder head the bolt is replaced by a bolt-like injecting member 17, Fig. 4, a channel 22 in which communicates with the leak 16, the outer end of the leak being closed by an adjustable stop 30, which retains the sealing medium in the leak when a handle 26 is turned to apply pressure to the sealing medium. The member 17 may be left in position or may be replaced by the original bolt. If the leak does not communicate with a bolt hole as for example in Fig. 6, a channel 47, 49 is made communicating with a bolt hole, a tool 51, such as shown in Fig. 11, being if necessary used, and a seating device 30 and bolt-like injecting device being used as before. When, as in Figs. 7 and 8, the leak 58 is in a gasket 52 which is situated between two flanges 53 but does not reach to the outer periphery, a closed chamber enclosing a bolt-hole and one end of the leak is formed by a sector 54, Fig. 7, or a flexible element 59, Fig. 8, so that sealing medium can be injected as before, or as an alternative, radial plates 85, Fig. 12, and an arcuate member 87 are employed to form the closed chamber, or as another alternative a flexible member 120, Fig. 16, is forced in as shown by a part 125. In Fig. 9 there is provided a bolt 66, which does not completely fill the bolt hole and a chamber 72 with a plunger 71 clamped or screwed over its outer end for the injection of sealing medium. In the case of a stud bolt 126, Fig. 17, a flexible sealing member 133 is used and an injecting cylinder 127 is clamped in place. In Figs. 14, 15, and 19 the injection is effected without reference to a bolt hole, Fig. 14, referring to a leak in a threaded joint in a pipe line &c. In Fig. 15 contact is made with the outside of the container by a resilient washer 112.
Patent GB-828231-A (GB)
Title: Improvements relating to insecticidal compounds and their use
IPC: C07C311/47
Filed: 1956-10-19
Abstract: The invention comprises compounds of the formula <FORM:0828231/IV (b)/1> in which Y is halogen, n is 0-2, m is 0-5 and m+n are at least 2, especially compounds having the formula <FORM:0828231/IV (b)/2> in which one U is -SO2NH2, the other U is hydrogen, one V is Cl or CF3 and the other V is H or Cl, and one W is Cl or CF3 and the other is Cl, and a process for making such compounds by the reaction of an isocyanate of the benzene series with a primary aminobenzene containing an H2N-SO2-group, the reactants being so chosen that the product contains at least two substitutents selected from halogen and CF3.  In examples, 2 - amino - 4 - trifluoromethyl - 5 - chlorobenzenesulphonic amide reacts with 3-trifluoromethyl-4-chlorophenyl isocyanate to give the compound <FORM:0828231/IV (b)/3> and a number of similar compounds, some containing bromine or iodine, are made by the same method.  The products are useful for protecting keratinous material from attack by insects.  Reference has been directed by the Comptroller to Specification 753,171.